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Open source

SolutionBase: Analog, AWStats, and Webalizer offer powerful Apache logging

Learn basic configuration for three leading open source Apache log analyzers.

Security

SolutionBase: Use these built-in antispam techniques for protecting Sendmail

Sendmail remains one of the Internet's most popular e-mail systems, but it's also a popular target for spammers.

Security

SolutionBase: Take advantage of antispam options for Sendmail

Get a look at the various antispam techniques and solutions for the popular Sendmail e-mail server.

Security

SolutionBase: Use port knocking for a more secure method of opening ports

Allow selective remote access to services such as SSH while maintaining your server's security.

Developer

SolutionBase: Set up customized network monitoring with Perl

There is no short supply of network monitoring solutions, from expensive enterprise packages to open source programs. However, for a quick, precise monitoring solution on a limited budget, your best bet may be to use a Perl script.

Open source

SolutionBase: Set up ModSecurity on Apache for Web intrusion detection

One way to bolster the security of Apache Web servers--one of the most visible and popular targets of hackers--is to employ ModSecurity to monitor and filter Web requests from users. Learn how to install and configure this valuable Apache module.

Enterprise Software

Get serious about monitoring hosts and services with Nagios

Nagios is an open source tool for monitoring hosts and services. Don't be fooled by its free price tag. It's a serious tool that offers the kind of flexibility and extensibility you usually find in high-dollar solutions.

Hardware

Let Big Brother keep tabs on the health of your servers

Set up Big Brother on Linux so that it can provide uptime status on a variety of systems, devices, and services.

Banking

Lock IT Down: Secure the integrity of your servers with SNARE

Use this tutorial for setting up SNARE, a host-based intrusion detection system for Linux.

Software

Protect Linux mail servers with Vexira Antivirus

Use this tutorial to set up Vexira Antivirus for Mail Servers as an SMTP virus scanner on Linux.

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